11111099013 has 24 divisors (see below), whose sum is σ = 18347966208. Its totient is φ = 6347179872.

The previous prime is 11111099011. The next prime is 11111099059. The reversal of 11111099013 is 31099011111.

It is not a de Polignac number, because 11111099013 - 2¹ = 11111099011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111099011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184231 + ... + 236987.

It is an arithmetic number, because the mean of its divisors is an integer number (764498592).

Almost surely, 2^11111099013 is an apocalyptic number.

It is an amenable number.

11111099013 is a deficient number, since it is larger than the sum of its proper divisors (7236867195).

11111099013 is a wasteful number, since it uses less digits than its factorization.

11111099013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56113 (or 56110 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 27.

The spelling of 11111099013 in words is "eleven billion, one hundred eleven million, ninety-nine thousand, thirteen".